機器
anchor
building
circle
circular
collars
concrete
construction
core
coring
coring drill
cutting
cylindrical
demolition
drill
driller
drilling
electrical
engineering
equipment
exploration
floor
hardness
hole
industrial
industry
instrument
machinery
mechanic
metal
mining
motor
outdoor
pipes
power
rotary
servicing
site
survey
technology
tool
torque
tubing
work
work tool